Accurate quantification of the colour rendition characteristics of a light source is a complex problem. By the end of 2020 we upgraded the GL SPECTROSOFT (pc software) as well as the firmware onboard the GL SPECTIS Touch series to include the latest changes with respect to the IES TM-30-18. The software generates a colour vector graphic that indicates average hue and chroma shifts, and also helps with interpreting the values of Rf and Rg.
